Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | ||||
| globular inc sedis | |||||
| muroliths inc sedis | |||||
| placoliths inc sedis | |||||
| planoliths inc sedis | |||||
| spine fragments | |||||
| Unidentified Mesozoic heterococcoliths | |||||
Distinguishing features:
Parent taxon (Mesozoic nannofossils): Predominantly Mesozoic nannofossils - except for Braarudosphaerales
This taxon: Heterococcolith genera which do not show characteristic features of any of the well-established families.
Farinacci & Howe catalog pages:
| Lith size: 0->0µm; |
Geological Range:
Last occurrence (top): at top of Maastrichtian Stage (100% up, 66Ma, in Danian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Late Tithonian Substage (143.10-145.00Ma, base in Tithonian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
![]() |
Mesozoic Heterococcoliths inc sedis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 12-5-2026
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10519 Go to Archive.is to create a permanent copy of this page - citation notes |
This policy contains information about your privacy. By posting, you are declaring that you understand this policy:
This policy is subject to change at any time and without notice.
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
Comments